#1B0943#1B0943

#1B0943 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.4% C 0.100 H 289.2°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#1B0943
RGB	rgb(27, 9, 67)
HSL	hsl(259, 76%, 15%)
HSV	hsv(259, 87%, 26%)
CMYK	cmyk(59.7%, 86.6%, 0%, 73.7%)
CIE-LAB	lab(7.53, 25.71, -32.86)
CIE-LCH	lch(7.53, 41.72, 308.05°)
OKLab	oklab(21.44% 0.0329 -0.0945)
OKLCH	oklch(21.44% 0.1 289.2)
XYZ	xyz(1.5625, 0.8336, 5.3877)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0943 #314309

analogous

#091443 #1B0943 #380943

triadic

#1B0943 #431B09 #09431B

tetradic

#1B0943 #430914 #314309 #094338

square

#1B0943 #430914 #314309 #094338

split-complementary

#1B0943 #433809 #144309

monochromatic

#0B041B #0B041B #1B0943 #311079 #4617AF

Accessibility & contrast

On white

18.00

#1B0943 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1B0943 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0943

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0943	#FFFFFF	#000000	##FFFFFF
##1B0943	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001845

Deuteranopia (green-blind)

#001542

Tritanopia (blue-blind)

#0C1926

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b0943;
/* rgb */ color: rgb(27, 9, 67);
/* oklch */ color: oklch(21.4% 0.100 289.2);

Tailwind

colors: {
  custom: {
    50: '#5d4a78',
    500: '#1b0943',
    950: '#000000',
  },
}

SCSS

$custom: #1b0943;
$custom-light: #5d4a78;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0943",
  "rgb": {
    "r": 27,
    "g": 9,
    "b": 67
  },
  "hsl": {
    "h": 258.621,
    "s": 76.316,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21438,
    "c": 0.10009,
    "h": 289.2
  },
  "luminance": 0.00834
}

Semantic roles & 50–950 ramp

primary

#1B0943

secondary

#658127

accent

#F335B8

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0943

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →